A generalized q-Catalan number for q=2.
A185994
A generalized q-Catalan number for q=2.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =26a(4) =150a(5) =1114a(6) =10614a(7) =131002a(8) =2128278a(9) =46294426a(10) =1368718518a(11) =55647242106
External references
- oeis: A185994